读取写入本地文件

 public static void main(String[] args) throws IOException {
        String dataStr ="";
        File file = new File("/Users/zhangpengfei/Desktop/zpf/email.json");
        List datas = FileUtils.readLines(file);
        File file1 = new File("/Users/zhangpengfei/Desktop/zpf/result.json");
        int ids = 2549;
        for (String email : datas) {
            email = email.toLowerCase();
            JSONObject jsonObject = JSON.parseObject(dataStr);
            ids++;
            String id = "2021" + ids;
            long time = System.currentTimeMillis();
            JSONPath.set(jsonObject, "$.Attr.Values[C == 'create_time'].V", time);
            JSONPath.set(jsonObject, "$.Attr.Values[C == 'update_time'].V", time);
            JSONPath.set(jsonObject, "$.Attr.Values[C == 'email'].V", email);
            JSONPath.set(jsonObject, "$.Attr.Values[C == 'id'].V", id);
            JSONPath.set(jsonObject, "$.PK.Values[0]", email);
            FileUtils.writeLines(file1, Arrays.asList(JSON.toJSONString(jsonObject)), true);
            System.out.println(JSON.toJSONString(jsonObject));
        }
//        for (String email : datas) {
//            JSONObject jsonObject = JSON.parseObject(dataStr);
//            Object create = JSONPath.eval(jsonObject, "$.Attr.Values[C == 'create_time']");
//            Object userName = JSONPath.eval(jsonObject, "$.Attr.Values[C == 'userName'].V[0]");
//            if (!ObjectUtils.isEmpty(create)) {
//                
//                origStr = origStr.replace("username",trimUserName(String.valueOf(userName)));
//                origStr = origStr.replace("data",String.valueOf(create));
//                FileUtils.writeLines(file1, Arrays.asList(origStr),true);
//                System.out.println(origStr);
//            }
//        }
        System.out.println();
//        JSONArray array = JSONArray.parseArray(data);
    }